* {
    padding: 0;
    margin: 0;
}

body {
    background: black;
}

.header {
    background: black;
}

.header-wrap {
    width: 1200px;
    height: 100px;
    margin: 0 auto;
}

/* 导航左 */
.header-left {
    width: 672px;
    float: left;
    margin: 20px 40px 20px 30px;
    /* 上右下左 */
}

.menu {
    margin-left: 20px;
    margin-top: 10px;
    display: inline-block;
}

.menu ul {
    list-style: none;
    font-size: 14px;
    color: white;
    font-weight: 600;
}

.menu li {
    margin: 5px 2px 14px 18px;
    float: left;
}

.menu a {
    text-decoration: none;
    color: white;
    font-size: 20px;
    padding: 4px 16px 4px 16px;
}

.menu a:hover {
    cursor: pointer;
    color: #000;
    background: white;
}


/* 导航右 */
.header-right {
    height: 40px;
    float: right;
    margin: 30px;
}

.header-right ul {
    list-style: none;
    color: white;
}

.header-right li {
    float: left;
    font-size: 26px;
    margin: 10px;
    cursor: pointer;
}

.yonghu {
    display: none;
    width: 170px;
    height: 80px;
    position: relative;
    top: 102px;
    left: 988px;
    z-index: 100;
}

.yonghubg {
    width: 170px;
    height: 80px;
    background-color: white;
    opacity: 0.6;
    border-radius: 6px;
}

.yonghu button {
    background: gold;
    border: 1px solid snow;
    padding: 10px;
    font-size: 18px;
    margin-right: 10px;
    position: relative;
    top: -80px;
    left: 20px;
    cursor: pointer;
}

.yonghu1{
    display: none;
    width: 170px;
    height: 80px;
    position: relative;
    top: 102px;
    left: 988px;
    z-index: 100;
}
.yonghubg1{
    width: 170px;
    height: 80px;
    background-color:white;
    opacity: 0.6;
    border-radius: 6px;
}
.yonghu1 button{
    background: gold;
    border:1px solid snow;
    padding: 10px;
    font-size: 18px;
    margin-right: 10px;
    position: relative;
    top: -80px;
    left: 20px;
    cursor: pointer;
}

.nav {
    width: 1250px;
    height: 50px;
    line-height: 50px;
    margin: 0 auto;
    text-align: center;
    /* background:url(../images/u=1005056061,4192531144&fm=26&gp=0.jpg); */
    border-radius: 10px;
    /*background-size: cover;*/
}

.nav li {
    list-style-type: none;
    overflow: hidden;
}

.nav a {
    width: 100px;
    height: 40px;
    line-height: 40px;
    border-radius: 10px;
    background: #FFFF00;
    color: #000000;
    text-decoration: none;
    margin: 0 auto;
    margin-left: 150px;
    font-size: 30px;
}

.nav a:hover {
    color: red;
}

/* 主体 */
.middle {
    margin: 0 auto;
    width: 1263px;
    /* height: 2000px; */
    /*position: relative;*/
}

.middle ul,
li {
    list-style: none;
}
/* box */
.box {
    /* display: none; */
    height: 650px;
    width: 1300px;
    margin-top: 10px;
    background-color: lavender;
}

.box li {
    float: left;
    margin-left: 20px;
    margin-top: 17px;
    width: 300px;
    height: 300px;
    position: relative;
    overflow: hidden;
}

.box del {
    color: #FFD700;
    font-size: 25px;
}

.box p {
    float: left;
    width: 300px;
    height: 200px;
    bottom: -155px;
    position: absolute;
    text-align: center;
    color: #fff;
    cursor: pointer;
    transition: 1s;
    background-color: rgba(130, 127, 130, 0.5);
}

.box p span {
    display: block;
    font-size: 30px;
    color: red;
    font-weight: bold;
}

.box li:hover p {
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
}
/* box */

/* box1 */
.box1 {
    display: none;
    height: 650px;
    width: 1300px;
    margin-top: 10px;
    background-color: lavender;
}

.box1 li {
    float: left;
    margin-left: 20px;
    margin-top: 17px;
    width: 300px;
    height: 300px;
    position: relative;
    overflow: hidden;
}

.box1 del {
    color: #FFD700;
    font-size: 25px;
}

.box1 p {
    float: left;
    width: 300px;
    height: 200px;
    bottom: -155px;
    position: absolute;
    text-align: center;
    color: #fff;
    cursor: pointer;
    transition: 1s;
    background-color: rgba(130, 127, 130, 0.5);
}

.box1 p span {
    display: block;
    font-size: 30px;
    color: red;
    font-weight: bold;
}

.box1 li:hover p {
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
}
/* box1 */

/* box2 */
.box2 {
    display: none;
    height: 650px;
    width: 1300px;
    margin-top: 10px;
    background-color: lavender;
}

.box2 li {
    float: left;
    margin-left: 20px;
    margin-top: 17px;
    width: 300px;
    height: 300px;
    position: relative;
    overflow: hidden;
}

.box2 del {
    color: #FFD700;
    font-size: 25px;
}

.box2 p {
    float: left;
    width: 300px;
    height: 200px;
    bottom: -155px;
    position: absolute;
    text-align: center;
    color: #fff;
    cursor: pointer;
    transition: 1s;
    background-color: rgba(130, 127, 130, 0.5);
}

.box2 p span {
    display: block;
    font-size: 30px;
    color: red;
    font-weight: bold;
}

.box2 li:hover p {
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
}
/* box2 */

/* box3 */
.box3 {
    display: none;
    height: 650px;
    width: 1300px;
    margin-top: 10px;
    background-color: lavender;
}

.box3 li {
    float: left;
    margin-left: 20px;
    margin-top: 17px;
    width: 300px;
    height: 300px;
    position: relative;
    overflow: hidden;
}

.box3 del {
    color: #FFD700;
    font-size: 25px;
}

.box3 p {
    float: left;
    width: 300px;
    height: 200px;
    bottom: -155px;
    position: absolute;
    text-align: center;
    color: #fff;
    cursor: pointer;
    transition: 1s;
    background-color: rgba(130, 127, 130, 0.5);
}

.box3 p span {
    display: block;
    font-size: 30px;
    color: red;
    font-weight: bold;
}

.box3 li:hover p {
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
}
/* box3 */

/* box4 */
.box4 {
    display: none;
    height: 650px;
    width: 1300px;
    margin-top: 10px;
    background-color: lavender;
}

.box4 li {
    float: left;
    margin-left: 20px;
    margin-top: 17px;
    width: 300px;
    height: 300px;
    position: relative;
    overflow: hidden;
}

.box4 del {
    color: #FFD700;
    font-size: 25px;
}

.box4 p {
    float: left;
    width: 300px;
    height: 200px;
    bottom: -155px;
    position: absolute;
    text-align: center;
    color: #fff;
    cursor: pointer;
    transition: 1s;
    background-color: rgba(130, 127, 130, 0.5);
}

.box4 p span {
    display: block;
    font-size: 30px;
    color: red;
    font-weight: bold;
}

.box4 li:hover p {
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
}
/* box4 */

/* 主体 */

/* 底部信息栏 */
.footer {
    background: black;
}

.footer-wrap {
    height: 170px;
}

.row {
    width: 1200px;
    height: 150px;
    margin: 0 auto;
    /*position: absolute;*/
}

.footer-ul ul {
    float: left;
    color: white;
    list-style: none;
    margin: 30px 200px 30px 140px;
}

.footer-ul a {
    text-decoration: none;
    font-size: 12px;
    color: white;
}

.footer-ul a:hover {
    color: yellow;
}

.footer_bottom {
    color: gainsboro;
    font-size: 12px;
}

.copy {
    width: 800px;
    height: 20px;
    margin: 0 auto;
    margin-left: 100px;
}

/* 底部信息栏 */